#include <stdio.h>
#include <linux/prctl.h>
#include <sys/prctl.h>
#include <sys/wait.h>
#include <unistd.h>

int main()
{
	int pid;
	int pgid = getpgid(0);

	for (size_t i = 0; i < 2; i++) {
		if ((pid = fork())) {
			int status;

			wait(&status);
			printf("Iteration %d status: %#x\n", i, status);
		} else {
			setsid();

			return 0;
		}

		prctl(PR_SCHED_CORE, PR_SCHED_CORE_CREATE, pgid, 0x2 /* PIDTYPE_PGID */, NULL);
	}

	return 0;
}